1. Cell Cycle/DNA Damage
  2. Nucleoside Antimetabolite/Analog

Doxifluridine (Synonyms: Ro 21-9738; 5-Fluoro-5'-deoxyuridine; 5'-DFUR)

Cat. No.: HY-B0021 Purity: 99.91%
Handling Instructions

Doxifluridine is a thymidine phosphorylase activator for PC9-DPE2 cells with IC50 of 0.62 μM.

For research use only. We do not sell to patients.

Doxifluridine Chemical Structure

Doxifluridine Chemical Structure

CAS No. : 3094-09-5

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Free Sample (0.5-1 mg)   Apply now  
10 mM * 1 mL in DMSO USD 86 In-stock
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Estimated Time of Arrival: December 31
1 g USD 78 In-stock
Stock in Sweden
Estimated Time of Arrival: December 31
5 g USD 238 In-stock
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Estimated Time of Arrival: December 31
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  • Biological Activity

  • Technical Information

  • Purity & Documentation

  • References

Description

Doxifluridine(Ro 21-9738; 5'-DFUR) is a thymidine phosphorylase activator for PC9-DPE2 cells with IC50 of 0.62 μM. IC50 value: 0.62 μM(PC9-DPE2 cell). Target: Nucleoside antimetabolite/analog Doxifluridine is a fluoropyrimidine derivative and oral prodrug of the antineoplastic agent 5-fluorouracil (5-FU) with antitumor activity. Doxifluridine, designed to circumvent the rapid degradation of 5-FU by dihydropyrimidine dehydrogenase in the gut wall, is converted into 5-FU in the presence of pyrimidine nucleoside phosphorylase. 5-FU interferes with DNA synthesis and subsequent cell division by reducing normal thymidine production and interferes with RNA transcription by competing with uridine triphosphate for incorporation into the RNA strand. in vitro: 5'-DFUR's metabolic product(N3-Me-5'-dFUR) was found to be non-toxic in all the cell growth experiments performed. The absence of cytotoxicity could be explained by the observation that the metabolite was not recognized as a substrate by thymidine phosphorilase, the enzyme responsible for 5-fluorouracil (5-FU) release from doxifluridine, as ascertained by high-performance liquid chromatography/ultraviolet (HPLC-UV) analysis of the incubation mixture[1]. in vivo: Administration of 200 mg of Furtulon to 23 beagle dogs, the plasma concentrations of doxifluridine, 5-FU, and 5-FUrd were measured simultaneously, using LC-MS/MS. The parent-metabolite compartment model with first-order absorption and Michaelis-Menten kinetics described the pharmacokinetics of doxifluridine, 5-FU, and 5-FUrd. Michaelis-Menten kinetics sufficiently explained the generation and elimination processes of 5-FU and 5-FUrd[2]. Clinical trial: A phase II study of doxifluridine and docetaxel combination chemotherapy for advanced or recurrent gastric cancer was reported in 2009[3].

Clinical Trial
Solvent & Solubility
In Vitro: 

10 mM in DMSO

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.0619 mL 20.3095 mL 40.6190 mL
5 mM 0.8124 mL 4.0619 mL 8.1238 mL
10 mM 0.4062 mL 2.0310 mL 4.0619 mL
*Please refer to the solubility information to select the appropriate solvent.
References
Molecular Weight

246.19

Formula

C₉H₁₁FN₂O₅

CAS No.

3094-09-5

SMILES

C[[email protected]@H]1[[email protected]]([[email protected]]([[email protected]](N2C(NC(C(F)=C2)=O)=O)O1)O)O

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Shipping

Room temperature in continental US; may vary elsewhere

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Doxifluridine
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HY-B0021
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Doxifluridine

Cat. No.: HY-B0021